Home / Standards / GB/T 46610-2025 GB/T 46610-2025 Active Manganese and chromium ores—Experimental methods for checking the precision of moisture determination 锰矿石和铬矿石 校核水分测定精密度的实验方法 Standard Type GBT ICS 73.060.20 CCS D 32 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A